Companies that operate water supply systems (including pumping stations, aqueducts, distribution mains, and other facilities) used to provide water for drinking, irrigation, or other purposes.
Companies that provide electric power, natural gas, steam supply, water supply, and sewage removal through a permanent infrastructure of lines, mains, and pipes.
Companies that operate electric power transmission systems (consisting of lines and transformer stations) to control the transmission of electricity (through regulating transmission voltages) and/or distribute electricity (via lines, poles, meters, and wiring) .
Companies that operate water supply systems and/or waste water treatment systems to provide water, desalinated water, and/or waste water treatment services.
Companies that engage in the generation, transmission, and distribution of electricity for sale in regulated markets.